By riveting the copper heat pipe to Fins has 20 times of heat transfer rate over pure aluminum radiator, which helps maximize the cooling area through a combination with the seamless fitting and Fin fastening, massive Fins technology; Adopting stainless steel parts and components, the whole structure has been treated with protection technology and undergone a 500 hours salt spray test, which boasts outstanding resistance to corrosion and rust and is thus adaptable to poor outdoor environment; It passed the professional wind tunnel test, anti-level-17 hurricane; Protection Grade Reaches IP66; The Lampshade has a built in respirator to clear away the mist and avoid dewing; With an adjustable angle of 216°, the beaming angle could be adjusted freely. Lamp Rated luminous efficiency >120 lm/W Output Voltage 42V LED luminous efficiency 140~170 lm/W Output Current 14300mA Lamp Total Flux(Tj=60℃,Ta=25℃) 60000 lm Lamp Power 500.7W Lamp's Efficiency >91% LED Power 482W Power Factor >0.98 THD <15% Input Voltage AC85-265V Warranty 5 Years Beam Lighting Angle 100°,90°,60°,45°,25° Guard Level IP65 LED Chip & Power Supply 220pcs Cree XTE & Meanwell Lifespan >50,000hrs Working Temperature -30℃ ~ +50℃ CRI >75 Efficient Cooling Innovative brass + Fin cooling mode, Courier Heat 0~216° Adjustable Angle Free Change the Irradiation Angle Pure Copper heatpipe Quick-thermal-conduction nature of refrigeration medium. extending the life span. IP Grade 65 Prevent Dust, Water Intrusion 92% Reflective Rate Reflector's Reflective rate could reach up to 92%. Light Weight High thermal conductivity of Aluminum Shell to create more refined, more compact Professional Heatsink Design Fashion, Profession in High Power LED Heatsink Design Easy Assembly Screw Lock & Ease to Installation